Another one Fwd: Re: Necessity of ActivityDescription [was: IVOA Provenance DM -RFC- answers to comments]

[François Bonnarel]

-------- Message transféré --------
Sujet : 	Re: Necessity of ActivityDescription [was: IVOA Provenance DM 
-RFC- answers to comments]
Date : 	Tue, 27 Nov 2018 17:26:20 +0100
De : 	François Bonnarel <francois.bonnarel at astro.unistra.fr>
Pour : 	dm at ivoa.net



Hi Markus, all,

Something else about Activity Descriptions, beside what Mireille, Ole
and I wrote yesterday, for people like you and others who could not
attend the College Park meetings.

There has been at least two presentations which show implementations
making extensive use of this class :

OPUS presentation at Interop Apps2 session :

https://wiki.ivoa.net/internal/IVOA/InterOpNov2018Apps/2018-11-09_servillat_OPUS.pdf


My presentation of the CDS provTAP implementation at ADASS :

http://adass2018.astro.umd.edu/abstracts/O11-3.pdf


This illustrates how useful  is this concept.

Cheers

François


Le 26/11/2018 à 13:01, Markus Demleitner a écrit :
> Hi Mireille,
>
> Here's another topic from the RFC responses (keeping topics apart to
> try and have focussed discussions):
>
> On Sun, Nov 04, 2018 at 08:26:09PM +0100, Mireille LOUYS wrote:
>>>> http://wiki.ivoa.net/twiki/bin/view/IVOA/ProvenanceRFC
>>> I've posted the following to the Wiki, but I thought having it on the
>>> list might be more conducive to discussions, so here's what I my
>>> thoughts were while reviewing this.
>>>
>>> TL;DR: let's only have the core model in 1.0.  We can always add
>>> extensions in 1.1.
>> we need the ActivityDescription class and Parameter class to be able to
>> search for some specific processing type on the data.
>> Activity is only the process launched for the computation.
>> It does not hold the details of the methods , because those details are
>> factorised in the ActivityDescription class.
> You mean "Find me all source extractions being done on the images of
> this data collection"?  That *does* sound like a fairly basic thing to
> want to do, yes, and from what I see in the current Activity model, it
> would, indeed, seem to be impossible just with what's there.
>
> I'm sure the W3C has a plan for this -- do you know what it is?  Can't
> we just follow them or is there a use case we have they don't?
>
>     -- Markus

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